82 



psrciiE. 



[September — October iSS,?. 



Psyche, A Journal of Entomology. 



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Address EDITORS OF PSYCHE, 



Cambridge, Mass., U.S.A. 

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EAHLl' STAGES OF BUTTERFLIES 

 WA.VTED. 

 The undersigned desires to obtain, by exchange 

 or otherwise, from all parts of the world, eggs, 

 caterpillars and chrysalids of Diurnal Lepidoptera. 

 Dried specimens arc preferred, especially of caterpil- 

 lars, which should be prepared by inflation. Corre- 

 spondence is invited with persons engaged in the 

 study of the early stages of butterflies. 



S. H. SCUDDER, 



Cambridge, Mass. 



COCCIDAE WANTED. 

 The undersigned is desirous of obtaining, by ex- 

 change or otherwise, specimens of as many species'of 

 the CocciDAE as possible, for the purpose of making 

 a study of the North American forms. Those found 

 infesting cultivated plants especially desired. Living 

 specimens preferred when they can be obtained. 

 J. Henry Comstock, 

 Department of Entomology. 

 The Cornell Universitv. 



Ithaca, N. Y. 



GALLS AND GALL INSECTS. 

 The undersigned desires, either by exchange or 

 otherwise. Galls from all parts of the United States. 

 He is especially interested in those made by Lepidop- 

 tera, Coleoptera, Homoptera and Diptera. Correspon- 

 dence in reference to Gall growths, or other vegetable 

 abnormities, is invited. CHARLES V. RILEY, 

 1700 Thirteenth St.. N. W.. 



Washington. D. C. 



TORTRICIDAE WANTED. 

 I am desirous of obtaining as many North Ameri- 

 can TORTRICIDAE as possible, for tlie purpose of 

 studying this family. I shall be glad to name and 

 return any TORTRICIDAE fonvarded to me for this 

 purpose, save such as may prove new and desirable 

 to retain for description. 



Pack carefully, and direct to 



Prof. C' H. Fernai.d, Orono. Me. 



LEPIDOPTERA. 

 Living cocoons, pupae and ova of American lepi- 

 doptera bought or exchanged for other species, by 

 Monsieur .-M.FRED W'AILLY, (Membre-Laureat de 

 la SocIlHiS d'.^cclimatation dc France), 



Tudor Villa, Tudor Road, Norbiton, 



Kingston-on-Thames, England. 



NORTH AMERICAN FERNS. 



Check lists of the Ferns of Nortli America north 



of Mexico, enumerating 31 genera, 132 species and 



15 varieties, on one octavo page. Will be sent by 



mail on receipt of the price, 15 cents per dozen copies. 



S. .Stebhins. Springfield, M.iss. 



